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EurekAlert 13 Rand Corporation 11 RAND Corporation 9
Science X network 9 UN Sustainable Devel 8 Center for Strategic 7
World Wide Fund for 7 gov.uk-Department fo 7 UK Environment Agenc 5
United Nations Envir 4 Department for Envir 3 Science 3
World Resources Inst 3 CNRS News 2 Eco-Business Researc 2
EurekAlert! - Earth 2 NewScientist 2 gov.uk - environment 2
Center for Internati 1 Imperial College Lon 1